Residual plots Here are residual plots (residuals plotted against predicted values) for
Chapter 7, Problem 23(choose chapter or problem)
Residual plots Here are residual plots (residuals plotted against predicted values) for three linear regression models. Indicate which condition appears to be violated (linearity, outlier or equal spread) in each case. a) 10 0 10 20 30 40 50 60 70 15 10 5 0 5 10 Fitted Value Residual b) 15.0 17.5 20.0 22.5 25.0 27.5 30.0 32.5 50 40 30 20 10 0 10 Fitted Value Residual c) 100 200 300 400 500 600 700 200 100 0 100 200 Fitted Value
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